1. Boucher, R., Veyrat, R., deChamplain, J. and Genest, J.: New procedures for measurement of human plasma angiotensin and renin activity levels. Canad. Med. Assoc. J. 90: 194, 1964.
2. Haber, E., Koerner, T., Page, L.B., Kliman, B. and Purnode, A.: Application of a radioimmunoassay for angiotensin I to the physiologic measurements of plasma renin activity in normal human subjects. J. Clin. Endocr. 29: 1349, 1969.
3. Wills, M.R., Zisman, E., Wortsman, J., Evens, R.G., Pak, C.Y.C. and Bartter, F.C.: The measurement of intestinal calcium absorption by external radioisotope counting: application to study of nephrolithiasis. Clin. Sci. 39: 95, 1970.
4. Gill, J.R., Jr., and Bartter, F.C.: Hyperplasia of the juxtaglomerular complex with hyperaldosteronism and hypokalemic alkalosis. In: Water and Electrolyte Metabolism (II), J. de Graeff and B. Leijnse (Editors) Elsevier Publishing Co., Amsterdam, 1964, p. 119.
5. Bottiger, L.E.: Hypopotassemia in hyperparathyroidism. Acta Med. Scand. 148: 51, 1954.